Pith Number

pith:6U4YUJPV

pith:2021:6U4YUJPV7JSE6QL3E5LZGWB7BW

not attested not anchored not stored refs pending

U-shape Transformer for Underwater Image Enhancement

Chunli Zhu, Liheng Bian, Lintao Peng

arxiv:2111.11843 v6 · 2021-11-23 · cs.CV · eess.IV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6U4YUJPV7JSE6QL3E5LZGWB7BW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T06:27:13.946263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5398a25f5fa644f417b275793583f0dbd6e8e58300161cef44570216c985db4

Aliases

arxiv: 2111.11843 · arxiv_version: 2111.11843v6 · doi: 10.48550/arxiv.2111.11843 · pith_short_12: 6U4YUJPV7JSE · pith_short_16: 6U4YUJPV7JSE6QL3 · pith_short_8: 6U4YUJPV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6U4YUJPV7JSE6QL3E5LZGWB7BW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f5398a25f5fa644f417b275793583f0dbd6e8e58300161cef44570216c985db4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24236f40a5e90b290f3983e572c89bc2bfa97ce3d1416d266764fc35e6481c43",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-11-23T13:15:56Z",
    "title_canon_sha256": "ce9eb23efd03fbe061f81f5e356e8c749d4a306718cf5103692504805e1e8655"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11843",
    "kind": "arxiv",
    "version": 6
  }
}